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| Number | Title | Issue Date |
| 7692520 | Single package television tuning apparatus and television receiver including the same There are provided a single package television tuning apparatus and a television receiver including the apparatus. The apparatus includes: a printed circuit board; a switching part installed on the printed circuit board and selecting one of a first radio frequency s... | 04/06/2010 |
| 7616081 | Tuner device A tuner device comprising: a tuner module, disposed on a surface of a substrate and comprising: a circuit component adapted to demodulate a signal received from an antenna device; a printed circuit board mounted with the circuit component and a plurality of connecto... | 11/10/2009 |
| 7359206 | Radio frequency isolation system and cover assembly for vacuum electron device A self-guiding cover assembly for a vacuum electron device (VED) enclosure (704, 1316) has a cover (1002, 1302), a pair of guide plates, and a pair of guide elements (1304, 1306). The cover has at least one electrical connector (1314) dis... | 04/15/2008 |
| 7339796 | Electrical circuit having a multilayer printed circuit board An electrical circuit includes a multilayer printed circuit board and a housing which shields against electromagnetic interference. A portion of at least one outer layer of the printed circuit board are in the form of contact areas which are connected to a respectiv... | 03/04/2008 |
| 7289167 | Television tuner including distribution connectors A metal frame body has first to fourth side plates and is divided, by a shield plate provided in the metal frame body, into a first compartment area near the first side plate and a second compartment area near the second side plate. A distributor is arranged in the ... | 10/30/2007 |
| 7268836 | Television tuner device generating intermediate-frequency signal free from harmonic interference of reference signal A television tuner device includes a metal frame, including a shielding plate which separates the space defined by the metal frame into a first chamber at a first side plate and a second chamber at a second side plate opposite to the first side plate; a distribution... | 09/11/2007 |
| 7129994 | Television tuner having level of harmonics of oscillation signal suppressed low The level of the harmonics of oscillation signals for synchronous detection to be inputted to a mixer circuit for converting frequencies is suppressed low. A first integrated circuit component formed with a first mixer circuit for converting frequencies; a second in... | 10/31/2006 |
| 7113061 | Tuner unit having a tuner board within the height limit of a tuner signal connector A receiver (2) includes tuner units (1) and (3), and a circuit board (21). The tuner unit (1) includes a connector (11), a tuner board (12), and a housing (13) for accommodating them. The tuner board (12... | 09/26/2006 |
| 7109830 | Low cost highly isolated RF coupler Methods of assembling a coupler are provided in which a first printed circuit board is provided, and a second printed circuit board is then surface mounted on the first printed circuit board. The first printed circuit board and the second printed circuit board are t... | 09/19/2006 |
| 7076230 | Radio frequency apparatus A radio frequency apparatus comprising a printed circuit board mounting an electronic component including a coil as an inductance element, a metal frame body covering this printed circuit board and connected to the ground, a lid formed integrally with the frame body... | 07/11/2006 |
| 7072174 | Television tuner and housing structure for electronic equipment A television tuner has a bottom chassis, a top cover and a front panel, the bottom chassis having support surfaces provided on an upper portion of a front side of the bottom chassis to extend with a rising slope in a direction from a front side toward a rear side th... | 07/04/2006 |
| 7067734 | Cable modem module and transmitter-receiver A cable modem module device includes a coaxial connector to transmit and receive high-frequency signals, a circuit board to which the coaxial connector is attached to protrude from its periphery in a direction parallel to its surface, and a first shield case formed ... | 06/27/2006 |
| 7046310 | Display apparatus and a tuner mounted thereon Disclosed is a display apparatus including a front cover, a rear cover coupled the front cover and forming an accommodating space, a display panel disposed inside the accommodating space, a main PCB having a signal processor and transmitting a video signal to the di... | 05/16/2006 |
| 7046982 | High frequency device having a frame with segmented compartments for prevented unwanted signal propagation A high-frequency device includes plural high-frequency circuits mounted on a printed circuit board, a partition for protects the circuits from leakage or radiation of undesired signals, and a case for accommodating the printed circuit board. The partition is formed ... | 05/16/2006 |
| 7042529 | Small tuner unit having shielding effect In a tuner unit, a metal shielding plate standing upright on a circuit board is provided between circuit blocks formed on the circuit board so as to electrically shield the circuit blocks from each other. A metal bridge that connects the shielding plate and a frame ... | 05/09/2006 |
| 7030938 | Tuner and receiver apparatus A tuner and receiver apparatus that can output first transport stream data and second transport stream data having excellent bit error rate characteristics for two systems even when a first tuner portion and a second tuner portion are provided on one board. A first ... | 04/18/2006 |
| 6947722 | Tuner block for use in video signal receiving apparatus having modulator, tuner and IF/demodulator circuit A tuner block in which a modulator and an IF/demodulator circuit are integrally formed. The tuner block has a casing for accommodating a tuner, the IF/demodulator circuit and the modulator, and sixteen pins consecutively disposed at an outside of the casing. A numbe... | 09/20/2005 |
| 6737945 | Digital broadcast receiving tuner suitable for miniaturization by placing tuner units on oppos surfaces on a board A low-priced digital broadcast receiving tuner suitable for miniaturization will be provided. According to the present invention, it is possible to provide a low-priced digital broadcast receiving tuner having higher productivity as well as a less number of componen... | 05/18/2004 |
| 6618252 | Heat sink of module with built-in IC Disclosed is a heat sink of a module with a built-in integrated circuit (IC) including a circuit board formed with a plurality of first through holes extending from an upper surface of the circuit board to a lower surface of the circuit board, a metal-att... | 09/09/2003 |
| 6404309 | Tuner with non-edge RF input pin/lead A shielded modular tuner is horizontally mounted onto a chassis printed circuit board and is provided, through an aperture in the shield, with lead connections from the edge of the tuner printed circuit board to the chassis printed circuit board, for powe... | 06/11/2002 |
| 6388892 | Tuner unit A tuner unit includes a unit board. The unit board is formed, at its lower end, with a protrusion to have a terminal pattern formed on the protrusion. A frame chassis has a side plate having, at its lower end, a protrusion having a tapered side face in on... | 05/14/2002 |
| 6373711 | Tuner structure and cable modem tuner using the same The tuner structure of the present invention includes: a circuit board on which electronic circuit components such as transistors and resistors have been mounted; a chassis angle; and a shield cover. In the tuner structure, a feedthrough capacitor for inp... | 04/16/2002 |
| 6344978 | Shield case including a material giving a large transmission loss to a radio frequency signal A shield case which is capable of significantly reducing the level of spurious radiation which may be emitted out through a through-hole formed in the shield case is provided. A recess 8 a few cm wide and a few mm deep is formed in that portion of the int... | 02/05/2002 |
| 6301117 | Tuner structure and cable modem tuner using the same The tuner structure of the present invention includes: a circuit board on which electronic circuit components such as transistors and resistors have been mounted; a chassis angle; and a shield cover. In the tuner structure, a feedthrough capacitor for inp... | 10/09/2001 |
| 6118672 | Tuner structure and cable modem tuner using the same The tuner structure of the present invention includes: a circuit board on which electronic circuit components such as transistors and resistors have been mounted; a chassis angle; and a shield cover. In the tuner structure, a feedthrough capacitor for inp... | 09/12/2000 |
| 6011700 | Shielding case A shielding case eliminates the problem in that the fixing portion of a feed-through capacitor juts out of the cabinet thereof; it does not affect the mounting conditions or the like of internal electronic components even if a part of the cabinet is bent ... | 01/04/2000 |
| 5952896 | Impedance matching network A high efficiency radio frequency (RF) impedance matching network containing an "L-type" inductor-capacitor (LC) circuit where the capacitor is a variable capacitor coupled from an input port to ground and the inductor is a variable inductance inductor co... | 09/14/1999 |
| 5748449 | Electrical enclosure for radio An electrical enclosure for a circuit board includes a top part and a bottom part. Substantially rigid compression fingers extend downwardly from a top wall of the top part and are disposed inwardly from a top side wall of the top part. One or more shield... | 05/05/1998 |
| 5412541 | Specifically configured sheet members or articles for use in improving sound or image quality A sheet member adapted for attachment to an acoustic or imaging apparatus to improve the acoustic or imaging performance thereof. The sheet member is generally circular, including a plurality of generally W-shaped cut-outs and a like plurality of generall... | 05/02/1995 |
| 5398169 | Microelectronic package comprising metal housing grounded to board edge A microelectronic package (10) comprises a printed circuit board (12) enclosed within a metal housing (14) for shielding the board from spurious electromagnetic signals. The housing includes a base (30) having side walls (36). A series of first tabs (42) ... | 03/14/1995 |
| 4920455 | Radio frequency device circuit arrangement The present invention provides a radio frequency device circuit arrangement with a UHF and VHF receiver part of a television set, which television set has a single base circuit board frame construction. The board has a soldering side and a component side.... | 04/24/1990 |
| 4841414 | High frequency apparatus chassis and circuit board construction A construction for attaching terminals for a high frequency apparatus wherein a plurality of lead terminals are press-fitted in a terminal holder made of resin, and the terminal holder with the lead terminals inserted in apertures in a circuit board is cl... | 06/20/1989 |
| 4790030 | Tuner with insertable antenna coupler Antenna coupling components including a coil and a static discharge resistor are mounted on a separate printed circuit board within a tuner that is positioned by means of projecting tabs on each end so as to self-center the coil with the inductor. A first... | 12/06/1988 |
| 4648128 | Microwave integrated circuit immune to adverse shielding effects A microwave integrated circuit comprises a shield case having a pair of opposed first and second end walls, a pair of side walls and top and bottom walls, and a dielectric substrate on the bottom wall. First and second interconnected integrated circuit po... | 03/03/1987 |
| 4554616 | Protective shield for external electrical parts of a control arrangement and the combination thereof A combination of a control arrangement and a protective shield, the protective shield and methods of making the same are provided, the combination comprising a control arrangement having a housing unit provided with certain external electrical parts and a... | 11/19/1985 |
| 4494095 | High frequency circuit shielding structure having tuning coils double shielded An assembly structure of a high frequency circuit apparatus including at least one first high frequency circuit block; a metallic chassis on which said first high frequency circuit block is disposed; a second high frequency block formed by placing a high ... | 01/15/1985 |
| 4408346 | Key assembly A key assembly for receiving devices employed in communication engineering, particularly for broadcasting and television receivers, comprises a casing provided with mutually releasable keys in the form of press buttons adapted to switch on storable, selec... | 10/04/1983 |
| 4404617 | High-frequency circuit device having a circuit board fixed to a shield casing by projections of the shield casing and soldering A high-frequency circuit device comprises a metal shield casing comprising side walls having projection parts projected innerwards and a plate-like member accommodated within the casing in contact with and fixed to the projection parts by dip-soldering. T... | 09/13/1983 |
| 4399419 | Line isolation and interference shielding for a shielded conductor system A method and structure is disclosed for isolating the shield of a shielded conductor system from a low frequency power source to which the shield may be connected. In one embodiment, the isolation technique includes providing an interruption in the conduc... | 08/16/1983 |
| 4306205 | High frequency apparatus A high frequency apparatus such as an electronic television tuner comprises a main base plate having a circuit pattern and components disposed on it. A shield casing encloses and supports the main base plate by encompassing it at its peripheral edge. The ... | 12/15/1981 |
